P38A MOT time

This site contains affiliate links for which LandyZone may be compensated if you make a purchase.
kermit_rr

kermit_rr

Very
Full Member
Posts
33,891
Location
North Shropshire
Hi
It's just dawned on me that since the last MOT expired, I've replaced a couple of injectors, camshaft, cylinder head etc. It's obviously not been driven since, so no drive cycle to learn new fuel trims etc.
Does that mean it's pretty much guaranteed to fail on emissions? It's a 4.0 Thor and it's a 200 yard drive to the MOT
 
Chances are it will be better than before the work was done is my guess?

You’ve worked on it a long time to get to this stage. It’s just usual pre MOT panic for someone put this much heartache in.

If I told my Indy what you just said I’m sure he’d stick his trade plates on it and take it for a blast to make me feel better ;)
 
Cheers, it's got to be loads better, yes. For starters all the valves are opening!! But with all the changes, the trims will be grossly out
 
I'm not happy that it sounds like one of the new tappets is well, rather tappety! Fingers crossed a good run will get the oil pumping and sort it out
 
Trims will have it running sweet by the time the engine is warm as long as things are within range of acceptable.
When I reset my trims, they're back where they started withing 30 seconds.
They adjust big errors very quickly then just minor trims as you're driving.
 
I'd go the long way if I were you. Get it lovely and warm and burn all that condensation out of the engine and exhaust.

I'll have to do the same. Got to arrange a test when places start opening.
 
They seem to have better opinion if a vehicle has had a wash underneath? Mud can hide things and I’d rather have it on show for them. They will fail it for minor things but don’t tend to charge me when it goes back for a bulb or something they just like to check it is done. Having a vehicle that has its own character usually means they remember it and notice it’s had work done since they last saw it not that it’s getting worse as most they see do.
 
You must log in or register to reply here.

Similar threads

DefendingLancashire
300TDI Four-parter: brake wear, lift pump / fuel filter, turbo, and bushes / squeaking
Replies
13
Views
613
miktdish
miktdish
R
L322 Persistent injector driver circuit performance bank b fault
Replies
16
Views
4K
R53convert
R
J
300 Tdi engine swap story - and a few questions
Replies
13
Views
2K
doriz
doriz
J
300 Tdi Engine back in, nearly - Story and at the end Questions
Replies
0
Views
737
jer_300Tdi_90
J
MikeFl4
P38A M51 Diesel - Lumpy idle after rev - Setting the top section of the pump?
Replies
4
Views
2K
Datatek
Datatek
Back
Top